[llvm] [SLP][TTI]Add support for strided loads. (PR #80310)

[Alexey Bataev via llvm-commits]

alexey-bataev wrote:

> > > Can I ask you to separate the TTI pieces to a separate review? I'd be comfortable LGTMing that with some pretty minimal changes, but can't reasonable review the SLP changes in any depth.
> > 
> > 
> > I can't, since don't know how to test TTI changes without SLP vectorizer support.
> 
> The change would be untested on it's own. I'm explicitly saying I'm willing to approve that as an exception to usual policy.
> 
> Partly because if we can get that in, I plan to write a patch which exercises at least the most basic cases through the instruction cost printer pass.

Ok, will do

https://github.com/llvm/llvm-project/pull/80310